Speaker
Dr
Raymond Bunker
(South Dakota School of Mines & Technology)
Description
The advanced phases of the Cryogenic Dark Matter Search (SuperCDMS) attempt to directly detect galactic dark matter via keV-scale nuclear recoils in semiconductor detectors located deep underground. I will review the detection technique and the backgrounds observed in the current 9 kg experimental phase, SuperCDMS Soudan. I will then provide an overview of the next-generation SuperCDMS SNOLAB project, emphasizing the features that will reduce backgrounds sufficiently to reach our sensitivity goals. Particularly important is more careful mitigation of radon-related backgrounds. I will discuss the commissioning of a cleanroom with radon level reduced to ~0.2 Bq/m^3 using a vacuum-swing-adsorption radon mitigation system.
Primary author
Dr
Raymond Bunker
(South Dakota School of Mines & Technology)
